We demonstrated ultra-high NA fibers with core-diameters down to 1.2?m, low loss and high nonlinearity. Efficient supercontinuum generation is demonstrated in a 2?m core fiber. These fibers are spliced to conventional fibers with low loss.
© 2008 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.4005) Fiber optics and optical communications : Microstructured fibers
L. Fu, B. K. Thomas, and L. Dong, "Small Core Ultra High Numerical Aperture Fibers with Very High Nonlinearity," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CThV4.